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JP Astrophotography (@jpastrophoto) Instagram Profile Photo

JP Astrophotography

Today we bring you the Cave Nebula (Sh2-155). Like other diffuse nebulae, Sh2-155 is a site of very active star formation due to the force of gravity collapsing the interstellar cloud of dust and (mostly hydrogen) gas into a massively dense clump that ignites nuclear reactions to form stars. Unlike other diffuse nebulae, this one has a unique crescent to its stellar nursery, which inspired the name of Cave Nebula. I’d guess there aren’t any bears in that cave, though. On second thought, maybe there are…🐻🛸 . Location - constellation Cepheus 🤴 . Distance - 2400 light years from Earth Size - radius of ~ 35 light years . 125-minute exposure time taken 8/17/19 from Green Mountain, NC . . photos

Gavin James (@photogav) Instagram Profile Photo

Gavin James

The Veil Nebula. .. This is what a star that exploded as a supernova looks like some 20,000 years later. The highly energetic shock front of the supernova ripped through the surrounding space at initial speeds of up to 35 million km/h, pushing out and exciting the interstellar material to create these wispy glowing filaments. The shock front has slowed down over the years to a current speed of around 1 million km/h. Cygnus, the Swan, is high in our night sky at the moment, flying along the Milky Way; you will find The Veil Nebula out on its eastern wing at a distance of about 2,400 light years from Earth. This image is a mosaic of four images stitched together to cover the huge area of sky occupied by the Nebula. It is a bi-colour image made up of 40 hours of data shot through hydrogen alpha and doubly ionised oxygen narrowband filters from my back garden observatory. .. photos

Brittany [Wilson] Rowlands (@nitbree16) Instagram Profile Photo

Brittany [Wilson] Rowlands

Posted @withrepost@nasa That star stuff you see here? That's what you're made of. You possess the elements ✨ ⁣ ⁣ This composite image from our Chandra X-ray Observatory, the Spitzer Space Telescope and the Isaac Newton Telescope shows high-energy X-rays emitted by young, massive stars in the star cluster Cygnus OB2. This week we're celebrating the 20th anniversary of Chandra's launch. Want to dive deeper? Link in bio.⁣ ⁣ Credits: NASA/CXC/SAO/J. Drake et al; Univ. of Hertfordshire/INT/IPHAS; NASA/JPL-Caltech/Spitzer⁣ ⁣ photos

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